Notably, the Wharfedale EVO4 series employs a specially engineered AMT (Air Motion Transformer) transducer for its proprietary, silky smooth high frequency reproduction. By design, the AMT allows for a higher volume of air to be moved during performance than with a convention soft dome tweeter. This higher-pressure action, encouraged by the principles of AMT design, offers an improved point-source HF reproduction with lower distortion properties than conventional tweeters. This is evident in the stunning and sheer clarity of the musical performance of all of the EVO4 series loudspeakers.
EVO4 Dome Midrange
To match to the EVO4 AMT, Wharfedale has developed a fast and responsive dome midrange with wide bandwidth thanks to the incorporation of a damped rear chamber. This soft fabric dome, damped with a plasticizer coating, is vented aperiodically into a specially shaped rear chamber that is profiled to scatter and absorb rear energy from the dome. As a result this dome midrange features a linear response from 800Hz to 5kHz, an astonishing bandwidth from such a unit. Thanks to its high flux magnet, the EVO4 midrange dome also has a high efficiency, ideally matched to that of the AMT, enabling it to respond easily and quickly to the dynamics of the music fed to it. The wide dispersion of this dome and AMT combination ensures that you’ll hear all the musical detail no matter where you sit
EVO4 Bass
Enclosure Type | Bass reflex |
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Transducer Complement | 3-way |
Bass Driver | 6.5"(150mm) black woven Kevlar cone x 2 |
Midrange Driver | 2"(50mm) soft dome |
Treble Driver | 30*60mm AMT |
AV Shield | No |
Sensitivity (2.83V @ 1M) | 89dB |
Recommended Amplifier Power | 30-200W |
Peak SPL | 107dB |
Nominal Impedance | 8Ohm Compatible |
Minimum Impedance | 4.3Ohm |
Frequency Response (+/-3dB) | 48Hz ~ 22kHz |
Bass Extension (-6dB) | 38Hz |
Crossover Frequency | 1.4kHz,4.7kHz |
Dimensions (HxWxD) | 1060 x 250 x (340+10)mm |
Net Weight | 25.6kg/pcs |